Answer:
Jeff will need $6,250 more cash at the settlement
Explanation:
First the 75% of the home value $37,000:

Therefore, the value not covered by the loan is the difference between the home value and its 75%:

Since Jeff has already done a deposit of $3,000 as earnest money, then the cash he will need at the settlement is the difference between the $9,250 and those $3,000 of the deposit:

Jeff will need $6,250 more cash at the settlement